Integrating standard functions

[molten pawn]

how do you get from cosec^2x tan^2x to sec^2x

[snow gorge]

Cosec^2=1/sin^2x and tan^2x =sin^2/cos^2x

So when you multiply them you’re left with 1/cos^2x=sec^2x

@molten pawn

[molten pawn]

thanks